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Finding the Fourth Proportional to 4,891.98, 6,750.96 and 2,653.86

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Solution

The fourth proportional to 4,891.98, 6,750.96 and 2,653.86 is: 3,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.98 : 6,750.96 = 2,653.86 : x
  2. Step 2: Convert to fraction form
    4,891.98/6,750.96 = 2,653.86/x
  3. Step 3: Cross multiply
    4,891.98x = 6,750.96 × 2,653.86
  4. Step 4: Simplify right side
    4,891.98x = 17,916,102.71
  5. Step 5: Solve for x
    x = 17,916,102.71/4,891.98
  6. Step 6: Final answer
    x = 3,662.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.